LITTLE ROCK, Ark. (AP) - Authorities are investigating after a man was reportedly shot by a hitchhiker in Little Rock.

Police say a 22-year-old man picked up a stranger late Saturday and gave him a ride to a convenience store. Little Rock television station KTHV reports (http://is.gd/kcxnwY ) that police say the hitchhiker then pulled a gun and demanded money from the driver.

A police report says the driver was shot in the chest and arm, but his injuries are not life-threatening.

Authorities say surveillance video shows the hitchhiker running away after the shooting. Police say they're still searching for the man, who faces charges of aggravated robbery and first-degree battery if apprehended.